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noun \ˈmas\

Definition of mass

  1. 1 capitalized :  the liturgy of the Eucharist especially in accordance with the traditional Latin rite

  2. 2 often capitalized :  a celebration of the Eucharist <Sunday masses held at three different hours>

  3. 3 :  a musical setting for the ordinary of the Mass

Origin of mass

Middle English, from Old English mæsse, modification of Vulgar Latin *messa, literally, dismissal at the end of a religious service, from Late Latin missa, from Latin, feminine of missus, past participle of mittere to send

First Known Use: before 12th century

Rhymes with mass




Definition of mass

  1. 1 a :  a quantity or aggregate of matter usually of considerable size b (1) :  expanse, bulk (2) :  massive quality or effect (3) :  the main part or body <the great mass of the continent is buried under an ice cap — Walter Sullivan> (4) :  aggregate, whole <men in the mass> c :  the property of a body that is a measure of its inertia and that is commonly taken as a measure of the amount of material it contains and causes it to have weight in a gravitational field

  2. 2 :  a large quantity, amount, or number <a mass of material>

  3. 3 a :  a large body of persons in a group <a mass of spectators> b :  the great body of the people as contrasted with the elite —often used in plural <the underprivileged and disadvantaged masses — C. A. Buss>

Origin of mass

Middle English masse, from Anglo-French, from Latin massa, from Greek maza; akin to Greek massein to knead — more at mingle

First Known Use: 15th century

Synonym Discussion of mass

bulk, mass, volume mean the aggregate that forms a body or unit. bulk implies an aggregate that is impressively large, heavy, or numerous <the darkened bulk of the skyscrapers>. mass suggests an aggregate made by piling together things of the same kind <a mass of boulders>. volume applies to an aggregate without shape or outline and capable of flowing or fluctuating <a tremendous volume of water>.




Simple Definition of mass

  • : to form or gather into a large group

Full Definition of mass

  1. transitive verb
  2. :  to form or collect into a mass

  3. intransitive verb
  4. :  to assemble in a mass <three thousand students had massed in the plaza — A. E. Neville>

Examples of mass

  1. A large crowd of demonstrators massed outside the courthouse.

  2. Clouds were massing on the horizon.

  3. The generals massed their troops.

14th Century

First Known Use of mass

14th century




Simple Definition of mass

  • : involving, affecting, or designed for many people

Full Definition of mass

  1. 1 a :  of or relating to the mass of the people <mass market>; also :  being one of or at one with the mass :  average <mass man> b :  participated in by or affecting a large number of individuals <mass destruction> c :  having a large-scale character <mass plantings of tulips>

  2. 2 :  viewed as a whole :  total <the mass effect of a design>

Examples of mass

  1. Television is a mass medium.


First Known Use of mass




Definition of Mass

Medical Dictionary


noun \ˈmas\

Medical Definition of mass

  1. 1:  the property of a body that is a measure of its inertia, that is commonly taken as a measure of the amount of material it contains, that causes it to have weight in a gravitational field, and that along with length and time constitutes one of the fundamental quantities on which all physical measurements are based

  2. 2:  a homogeneous pasty mixture compounded for making pills, lozenges, and plasters <blue mass>

Seen and Heard

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February 11, 2016

the holder of an office

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